— Did you happen to see _______ black and _______ white cat?
— Are they missing? I told you to take care of them.
| A．a; 不填 | B．the; 不填 | C．the; the | D．a; the |
----How have you been doing recently?
----________.Nothing really goes wrong.
| A．Good luck! | B．I’ll keep my fingers crossed | C．Can’t complain | D．So long |
A beach house caught fire last night, ______seven students living in it.
| A．to kill | B．killing | C．having killed | D．killed |
The computer system____suddently while he was searching for information on the Internet.
| A．broke down | B．broke out | C．broke up | D．broke in |
Because the youth can’t____the temptation of surfing the Internet, we should take proper measures to stop it.
| A．follow | B．affect | C．effect | D．resist |
There is no known_____for this disease but it can be______.
| A．cure, treated | B．cured; treat | C．cure; treat | D．treat; cured |